Distilling Your Own Hydrosols

Distillation is a fascinating field of study for the aromatherapist and herbalist alike and although I am just beginning this journey and have much to learn, I shall share my experience to date.

Hydrosol derives from the Latin “hydro” meaning “water”and “sol” for “solution”. In the world of aromatherapy, hydrosols are also known as hydrolates, hydrolats, floral waters, and plant waters. Hydrolate uses “hydro” for “water” and “late”, from the French “lait”, for “milk”.

I have had an interest in the distillation of essential oils and hydrosols since witnessing a distillation of peppermint essential oil while at Purdue University years ago. I found it fascinating how they would go out and harvest the peppermint, drive the trucks under a canopy, close up the trailer, hook up the tubes up and distill right inside the trailer. (Here is an example of it: http://www.farmersguardian.com/the-colman-family-ventures-into-peppermint/19826.article) And I shall always remember the aroma of mint that wafted heavily throughout the air as the steam condensed back into water to be sent over to large industrial containers to collect the essential oil and siphon off the hydrosol.

Older Distillation Equipment in Lavender Field (France)

During this same visit we were also shown a distillation of peppermint in a stainless steel unit, which was equally as interesting. My memory of this is how the peppermint looked after the distillation had occurred and they had opened up the still. Inside the peppermint was dry, brittle and without any color or life (prana) remaining. Indeed, the prana had been carried over into the essential oil.

So a few months ago, I decided to invest in a copper distillation unit. I searched and searched and ended up ordering a 20L copper distillation unit from the Essential Oil Company in Portland, OR. (http://www.essentialoil.com/products/alembic-distiller-with-rotating-column) You need at least 20L still as this size has the removable column that allows you to place plant material above the water rather than in the water.

Our new 20L Copper Alembic Distillation Unit for Hydrosols

Once the unit had arrived I collected the following additional items one needs:

tubing to run water from the input/output pipes (still working on how to cycle water in the condenser – stay tuned!)

a gas burner (you can use a camping stove or electric heating element as well)

rye flour (to close up any gaps in the unit to prevent steam from flowing out)

a few glass containers (I used sterilized canning jars) to collect the hydrosol: these need to be sterilized prior to use

a pack of coffee filters to filter hydrosol

a pH meter – to measure pH of water to be used in the distillation still (*the water needs to be slightly acidic – if it is too alkaline you can add in a small amount of citric acid to adjust the pH)

Other item one could use: Separatory Funnel

Preparing the Distillation Unit
The first step in utilizing the copper still was to run a mixture of rye flour and water through the unit. This was done a couple of days before our first distillation per instructions that accompanied the distillation unit.

Cleansing distillation unit

First Distillation – March 14, 2014
Our first distillation took place during our advanced aromatherapy certification program. Eager to try and the new distillation unit, we gathered up what was available (it was late winter): pine needles and eucalyptus leaves from around our property. Students cut the pine needles and eucalyptus leaves and then placed in the vat.

An awesome group of students prepare plant material for distillation.

We then enclosed the vat and began the process by lighting the flame under the distillation unit (where the water is). We used water from the local coop as our water comes from a well and is very hard but is softened with salt, so not really a good option. The water had a pH of: 5.6

Transformation
What began to transpire throughout the distillation process was nothing short of alchemical transformation both for the plant as well as for all of us who were present to witness the distillation. As the first few drops began to come forth, the excitement and awe of the experience began to take hold. And as the drops turned into a light flow of hydrosol mixed with a very small amount of essential oil and the aroma began to waft around us, the energy of the whole group became more elevated, more inspirational, and more beautiful.

Drops of Hydrosol begin pouring out.

I find it hard to describe with the richness of this experience because something happened for which I cannot lay my finger upon but inside myself I felt elated, almost transported to a more etheric realm of consciousness.

We stopped the distillation after about 1 hour (did not really time it, so just guessing here). Time seemed to waft along with the aroma. We had collected two jars of water (approx. 4 cups each). The essential oil droplets were visible in the jar, sitting on the surface of the water. And the aroma: stimulating, uplifting, alive, vibrant, and energizing. Everyone in the class seemed to have undergone some kind of transformation as well. The energy was rich and we were all incredibly thankful to have had the experience.

Eucalyptus/Pine Essential Oils on top of Hydrosol

I have since utilized the hydrosol in room spritzers as well as for cleaning. It is incredibly potent! We keep it stored in the fridge and currently have about 2 cups left. I love just smelling it as it transports me back to that incredible sensation I experienced while distilling.

Distilling Nettles – June 11, 2014

Stinging Nettles (Urtica dioica)

There is something magic about the distilling process in itself, waiting for that moment when the first drops of hydrosol leave the still, somehow another form of the plant has been born…the odour and the resonance are extremely powerful, the plant expresses itself differently, it’s soul is revealed in a new way. Personally I have found through hydrosols a way of deepening my understanding of the plants I have distilled, they seem to give easy access to the plants intrinsic vibration…the rhythm in which they pulse. For example to illustrate this, nettle hydrosol has a deep, very earthed, slow pulsation echoing the proteins and nutritive aspect of this plant and in comparison plantain has a high, fast peripheral vibration which seems to create a protective veil around our physical body…relating perhaps to its usefulness when working with allergies.– Cathy Skipper

Yesterday I was visiting the house we used to live at and where I cultivated several medicinal plants including nettles. I had been meaning to get out there for a while but had not had a chance until yesterday. The nettles were beginning to send out their flowers which would in turn become seeds so I decided to go ahead and harvest a batch (there is tons! If you know nettles, they sure do like to spread and spread and spread!). I have a great love of nettles.

Once we had returned home, I began to prepare for the distillation. It was early evening so I collected all the things together for the distillation and began preparing the plant material by gently removing the leaves and then cutting them into smaller pieces so that the steam could pass easily through the plant material in the still.

Nettles cut and place in still.

Each process, from harvesting to preparing to distillation, brings in a type of mindfulness meditation. The process (at least for me) begins with setting an intention: to honor the plant, to thank the plant, to be fully present, to be mindful and observant, to distill a beautiful hydrosol, and to be honored by the whole process (within oneself and within the distillation process itself).

Hydrosol Energetics: Due to the rise in temperature in the still, the plant material begins to break down in the water and the plant molecules bind to the water molecules. The water then transforms into a gas state, each water molecule will carry with it as much as it can in terms of the dissolved plant molecules. Although the water molecules are limited physically by the amount of plant molecules they can hold, the potency of the hydrosol is also related to the memory of the particular plant and its constituents that have been transferred to the hydrosol by their unique vibrational pulse. So contained within the hydrosol is not only the phytochemical imprint of the plant but also its individual resonant frequency.– Cathy Skipper

Once the fire had been lit, I sat near by listening to the flame as it heated the water. I am not sure how long it took, perhaps 1/2 hour, but suddenly there is was: the first drop. Then after about 1/2 hour to 1 hour, tasting the hydrosol along the way and realizing I was running out of sunlight, I stopped the distillation.

Nettle Hydrosol Collection

Nettles hydrosol reminds me very much of nettle tea with some distinguishing aromas that make it, well, a hydrosol, rather than a tea. Its aroma: very earthy, herby yet light. I gathered about 8 cups from this distillation.

So what am I going to use it for? I am going to use the nettle hydrosol as a hair tonic, to drink as well as to make an facial cleanser and toner!

Facial Cleanser Recipe

just under 3 ounces Organic Castile Soap (to leave some room for the aloe vera gel and glycerin)

1 ounce Nettle Hydrosol

1 tsp. glycerin

1 tbsp. aloe vera gel

3 drops Roman chamomile essential oil

5 drops Lavender essential oil

According to Cathy Skipper:

Nettle Hydrosol – everyone loves nettle and there is so much one can do with all the parts of it from making great soup, to weaving fibers from the stems, to helping enlarged prostates with the roots, to using the whole plant to make a fermented extract as a garden fertilizer, to adding them to herbal teas for their mineralizing proprieties and much more.

So what does nettle hydrosol do that can’t be done with nettle tea or nettle tincture? I have found that nettle hydrosol is very useful when considering nettle’s anti-stress or adaptogen-like proprieties, it earths and help the person pace him or herself. Like the story of the hare and the snail, the snail won the race as he knew how to carry on steadily at a pace that suited, nettle hydrosol brings this type of resonance. I also use nettle hydrosol externally, as a hair treatment, it fortifies and brings shine to dull hair and used on the skin, tones and helps regulate sebum thus being an excellent allay for acne and related skin problems.

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Comments

Hi Jade! I so enjoyed reading about your distillation experiences. Wish I had been there to share it with you and your students. I’m living in Pittsboro now, working on a MEd in Adult Education and part-time as an LMBT. Life is good! Hope you and your family are well. My little man will turn 17 on July 3rd – hard to believe!!! Take care of your lovely self. Je t’aime, mon ami. Namaste, Shelia

Congrats! Your in the club now! If you want to read more about distilling – unfortunately only in German – you can do it in my book “Hydrolate – Sanfte Heilkräfte aus Pflanzenwasser”… 🙂 Have a good time in distilling furthermore!
Best wishes from Austria,
Ingrid

Hello Ingrid, thank you so much for your note! I have just ordered a few books on distillation that are in English 🙂 Yes, shall continue distilling and prepare some crops for next year too! Would love to hear more about what you do!!!!
Warm regards, Jade

Thank you for this wonderful post – it is chock full of valuable information and also conveys a sense of love and reverence for what you are doing, deep appreciation for the precious materials we are using. Hearing that 1/2 ton of lavender goes in to 20-30 oz of essential oils has really given me a lot to think and feel about. Truly these are wonderful healing substances – bowing to you and to our beautiful planet.

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